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Pusherless implosion, pulse tailoring and ignition scaling law for laser fusion

Published online by Cambridge University Press:  09 March 2009

K. Mima ,
H. Takabe  and
S. Nakai
K. Mima
Affiliation:
Institute of Laser Engineering, Osaka University, Suita, Osaka 565 Japan
H. Takabe
Affiliation:
Institute of Laser Engineering, Osaka University, Suita, Osaka 565 Japan
S. Nakai
Affiliation:
Institute of Laser Engineering, Osaka University, Suita, Osaka 565 Japan
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Abstract

The conventional implosion scheme for high gain and high density compression depends upon the piston action of an accelerated heavy pusher. However, the contact surface between the pusher and the fuel layer is very unstable in the stagnation phase. In this paper, the laser pulse tailoring and the scaling laws for pellet gain, fuel ρR, etc. are discussed under the condition of very weak piston action of the pusher. The scaling laws indicate that the fuel will be ignited by 100 kJ, 0·35 μm wavelength laser irradiation.

Type
Research Article
Information
Laser and Particle Beams , Volume 7 , Issue 2 , May 1989 , pp. 249 - 258
Copyright
Copyright © Cambridge University Press 1989

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